Area Code +352-23-(390000...399999) located in Mondorf-les-Bains/Bascharage/Noerdange/Remich, Luxembourg, more detail is as below. Place International Dialing Code : 352 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 390000 Subscriber Number To : 399999 National Destination Code Length : 2 Uses National Destination Code : No National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Entreprise des Postes et Télécommunications Click here to buy Luxembourg Area Code Database Other Information Language Code : fr (French) Country Number : 442 (Luxembourg) Country Code : LU (Luxembourg) Region Name : Luxembourg City : Mondorf-les-Bains/Bascharage/Noerdange/Remich Timezone : Europe/Luxembourg Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 49.6000 Longitude : 6.1500 ‹ previous : +352-23-(380000...389999) next › : +352-23-(400000...409999) Dialling Instructions For trunk calls: - 23 390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 352 23 390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 390000 ~ 399999 (Count: 10,000) Example: +352-23-390000 / 00352-23-390000 (23-390000 / -23-390000) +352-23-390001 / 00352-23-390001 (23-390001 / -23-390001) +352-23-390002 / 00352-23-390002 (23-390002 / -23-390002) +352-23-390003 / 00352-23-390003 (23-390003 / -23-390003) +352-23-390004 / 00352-23-390004 (23-390004 / -23-390004) ...+352-23-xxxxxx / 00352-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+352-23-399995 / 00352-23-399995 (23-399995 / -23-399995) +352-23-399996 / 00352-23-399996 (23-399996 / -23-399996) +352-23-399997 / 00352-23-399997 (23-399997 / -23-399997) +352-23-399998 / 00352-23-399998 (23-399998 / -23-399998) +352-23-399999 / 00352-23-399999 (23-399999 / -23-399999)